About the Number

25006990

25006989 ← → 25006991

2進数表記:1011111011001001110001110

漢数字表記:二千五百万六千九百九十

素因数分解:

2 1 × 5 1 × 29 1 × 53 1 × 1627 1

素因数の和:1716
約数の個数: 32
約数和(自身を含む): 47472480
約数和(自身を除く): 22465490

約数列:
[1, 2, 5, 10, 29, 53, 58, 106, 145, 265, 290, 530, 1537, 1627, 3074, 3254, 7685, 8135, 15370, 16270, 47183, 86231, 94366, 172462, 235915, 431155, 471830, 862310, 2500699, 5001398, 12503495, 25006990]

約数ペア:
[(1, 25006990), (2, 12503495), (5, 5001398), (10, 2500699), (29, 862310), (53, 471830), (58, 431155), (106, 235915), (145, 172462), (265, 94366), (290, 86231), (530, 47183), (1537, 16270), (1627, 15370), (3074, 8135), (3254, 7685)]

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